<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>canvas标注工具</title>
		<style>
			body{
				background: #000;
				margin: 0;
				padding: 0;
			}
			#canvas{
				background: #fff;
			}
			button{
				width: 200px;
				padding: 10px 0;
			}
			button.act{
				background: red;
				color: #fff;
			}
		</style>
	</head>
	<body>
		<canvas id="canvas" width="1000" height="500"></canvas><br>
		<button type="button" class="act" id="Polygon">多边形</button>
		<button type="button" id="Circle">圆</button>
		<script src="Shape.js" type="text/javascript" charset="utf-8"></script>
		<script src="main.js" type="text/javascript" charset="utf-8"></script>
	</body>
</html>
